DELTA 1 DEB, 21275
Orbit data source: Space-Track
DELTA 1 DEB, 21275 is space debris in SSO originally from a launch on Thu, 12 Jun 1975 UTC launched from the Air Force Western Test Range (AFWTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.
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21275 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Unknown
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown shape, 0.2 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 DELTA 1 DEB
1 21275U 75052L 26241.66646944 .00000059 00000-0 15766-3 0 9998
2 21275 99.8650 148.8783 0033987 357.9747 30.7409 13.51917494742209Epoch: 2026-08-29T15:59Z
TLE epoch observation values (Epoch: 2026-08-29T15:59:42.959Z)
Latitude
28.49317°
Longitude
-74.31215°
Altitude
1,046.89 km
Speed
7.342 km/s
True Right ascension
09h 33m 57s
True Declination
28° 21' 17"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
10:19:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,087.808 km
Perigee altitude
1,037.231 km
Semi-major axis
7,440.656 km
Eccentricity
0.0034
Inclination
99.865°
RAAN
148.8783°
Arg. of periapsis
357.9747°
True anomaly
30.94071°
Mean anomaly
30.7409°
Eccentric anomaly
30.84073°
Mean motion
3.38163 °/min
Orbital period
106.46 mins
BSTAR
0.00015766
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Other satellites on launch #52 in the year 1975 (1975-06-12 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.DELTA 1 DEB Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-08-31 05:47:23.789Z | 49.92° ENE | 2026-08-31 05:51:23.789Z | 100.391° ESE | 25.678° | 2026-08-31 05:56:23.789Z | 152.161° SSE |
| 11 mins | 2026-08-31 07:31:23.789Z | 358.848° N | 2026-08-31 07:36:23.789Z | 287.337° WNW | 36.687° | 2026-08-31 07:42:23.789Z | 220.76° SW |
| 5 mins | 2026-08-31 16:01:23.789Z | 73.192° E | 2026-08-31 16:03:23.789Z | 52.772° ENE | 14.256° | 2026-08-31 16:06:23.789Z | 24.518° NE |
| 11 mins | 2026-08-31 17:42:23.789Z | 160.147° S | 2026-08-31 17:47:23.789Z | 27.346° NE | 44.748° | 2026-08-31 17:53:23.789Z | 346.399° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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